Would this kit be enough to make a mold that is 12"x 2" inches? I want to make a mold of a Graphics card shroud.

Thank you for your question. Working from the online calculator (https://www.smooth-on.com/support/calculators/) we reckon around 2kgs of product should do this. We would suggest getting a little extra though just in case.

Can you add colours to it?

Yes, as long as you use a Silicone Pigment such as Silc-Pig then this will not be a problem.

can this be used to cast concrete planters? if so whats the shelf life?

Thank you for your question. We would recommend something like the Vytaflex Polyurethane Rubber to cast concrete as the Eco-Flex is a super soft Silicone.

hi would i have to prepare plaster of paris cornice with anything before i use the silicone

Hi there, we would need you to be a little more specific on what you are using the EcoFlex for. Could you email us at info@benam.co.uk so that we are able to help you further. Kind regards, Bentley Advanced Materials

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Smooth-On ECOFLEX 30 - Supersoft Platinum Silicone Kit - 2 pounds of silicone by Smooth-On, Inc.

Product ID: 51124521

Details

Brand
Smooth-On
Item form
Cartridge
Material
Silicone
Special feature
Strong
Specific uses for product
Art

🦾200 PSI tensile strength for durable stretch

🧪1:1 mix ratio for perfect curing

🧴Low viscosity for effortless mixing & de-airing

¥26123

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Description

🦾 Stretch your creativity to the max with Ecoflex 30!

EFFORTLESS 1 1 MIXING - Equal parts A and B simplify preparation—no guesswork, no mess.
ROOM TEMPERATURE CURE - Fast 4-hour cure with negligible shrinkage—perfect for tight project timelines.
STRETCH WITHOUT LIMITS - Stretches multiple times original size without tearing or distortion—built to last.
SUPERSOFT FLESH LIKE FEEL - Experience hyper-realistic movement ideal for professional masks and prosthetics.
CRYSTAL CLEAR CUSTOMIZABLE - Water-white translucent base lets you pigment with Silc-Pig for bespoke color effects.

Smooth-On ECOFLEX 30 is a supersoft, platinum-catalyzed silicone kit designed for professional-grade masks and prosthetics. It features a precise 1:1 mix ratio, low viscosity for easy handling, and exceptional elasticity with 200 PSI tensile strength. This translucent silicone cures at room temperature in 4 hours with minimal shrinkage, offering a flesh-like texture that can be custom pigmented for stunning realism.

Specifications

ASIN	B00CA5VY3U
Best Sellers Rank	393,938 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 1,154 in Sculpting Moulding & Casting
Brand	Smooth-On
Colour	Translucent Clear
Compatible Material	Concrete, Fabric, Glass, Metal, Plastic, Wood
Container Type	Cartridge
Customer Reviews	4.6 4.6 out of 5 stars (1,016)
Full Cure Time	4 Hours
Item Form	Cartridge
Item Package Quantity	1
Item Volume	908.08 Millilitres
Item Weight	907 g
Manufacturer	Smooth-On
Manufacturer Part Number	ecoflex0030
Material	Silicone
Model Number	Ecoflex 00-30
Number of Pieces	2
Other Special Features of the Product	Strong
Specific Uses For Product	Art
Tensile Strength	200 Pounds Per Square Inch
UPC	751635863415
Unit Count	946.3529 millilitre
Viscosity Level	Low
Water Resistance Level	Not Water Resistant

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥26123

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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